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<h1>Macro Library interval</h1>
Interval functions, Version 1.0 April 14, 2007
<BR><ul>
<li><a href="#forminterval">forminterval</a></li>
<li><a href="#linegraph">linegraph</a></li>
</ul>
<h3><a name="forminterval">forminterval</a></h3>
forminterval(min,max,minmarkertype,maxmarkertype)
<BR>min,max: min and max of interval
<BR>minmarkertype, maxmarkertype: 0 for open, 1 for closed
<BR><h3><a name="linegraph">linegraph</a></h3>
linegraph(intervals,[xmin,xmax,xscl,width,height])
<BR>Creates a line graph
<BR>intervals:  string or array of strings in interval notation, ex: [2,5)
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